Gulp.js
const babel = require("rollup-plugin-babel");
const rollup = require("rollup-stream");
gulp.task("js", function () {
return rollup({
input: "./src/js/index.js",
sourcemap: false,
format: 'es',
plugins: [babel()]
})
.pipe(gulp.dest('static/js/'));
});
.babelrc
{
"presets": [
[
"env",
{
"modules": false
}
]
],
"plugins": [
"external-helpers"
]
}
package.json
{
"name": "project",
"version": "1.0.0",
"description": "",
"main": "gulpfile.js",
"dependencies": {
"gulp": "^3.9.1",
"gulp-autoprefixer": "^4.1.0",
"gulp-base64": "^0.1.3",
"gulp-changed": "^3.1.1",
"gulp-cheerio": "^0.6.3",
"gulp-concat": "^2.6.1",
"gulp-connect": "^5.0.0",
"gulp-csso": "^3.0.1",
"gulp-nodemon": "^2.2.1",
"gulp-notify": "^3.2.0",
"gulp-plumber": "^1.2.1",
"gulp-pug": "^3.3.0",
"gulp-pug-inheritance": "^0.2.1",
"gulp-replace": "^0.6.1",
"gulp-sass": "^3.1.0",
"gulp-sourcemaps": "^2.6.4",
"gulp-svg-sprites": "^4.1.2",
"gulp-tinypng-compress": "^1.2.1",
"gulp-uglify": "^3.0.1",
"gulp-watch": "^4.3.11",
"natives": "^1.1.6",
"responsively-lazy": "^2.0.2"
},
"devDependencies": {
"babel-core": "^6.26.3",
"babel-plugin-external-helpers": "^6.22.0",
"babel-preset-env": "^1.7.0",
"rollup-plugin-babel": "^3.0.7"
},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC"
}
Ошибка в консоли